Home / 185,210.35-255,585.04-108,728.19

Finding the Fourth Proportional to 185,210.35, 255,585.04 and 108,728.19

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Solution

The fourth proportional to 185,210.35, 255,585.04 and 108,728.19 is: 150,041.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,210.35 : 255,585.04 = 108,728.19 : x
  2. Step 2: Convert to fraction form
    185,210.35/255,585.04 = 108,728.19/x
  3. Step 3: Cross multiply
    185,210.35x = 255,585.04 × 108,728.19
  4. Step 4: Simplify right side
    185,210.35x = 27,789,298,518.46
  5. Step 5: Solve for x
    x = 27,789,298,518.46/185,210.35
  6. Step 6: Final answer
    x = 150,041.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.